Math Lab Final Review #2
1. Simplify the following expressions below: Write each answer as a simplified fraction:
1
2
3
a) 3 + 6 + 8 =
3
5
b)
12
5
3
c) 4 × 12 =
1
e) 5 2 ÷
9
=
15
2
−3=
8
d) 5 ÷ 9 =
5
3
1
f) 6 × 1 4 × 2 3 =
2. Evaluate the following expressions using the variables below:
3. Determine if the ordered pair is a solution to the equation:
2
𝑦 = 3 𝑥 − 1 use (6,3)
3
𝑦 = 2𝑥 − 5 use (2,4)
4. Write an equation of a line in standard form through the point (1,5) and parallel to the line 𝑦 = 6𝑥 + 5.
5. Write an equation of a line in standard form through the point (3,-1) that is perpendicular to the line
1
𝑦 = 4𝑥 + 4
6. Write an equation of a line in standard form through the two points (-3, 8) and (2, 4)
7. Given the following equation identify the x and y-intercepts without graphing:
3𝑥 − 4𝑦 = 18
4𝑥 − 5𝑦 = 20
x-intercept:____________________
x-intercept:________________________
y-intercept:____________________
y-intercept:________________________
3
𝑦 = 4𝑥 − 7
5
𝑦 =𝑥+2
x-intercept:____________________
x-intercept:________________________
y-intercept:____________________
y-intercept:________________________
Solve each equation below:
Simplify each expression below: